CN209015952U - A kind of speed-regulating switch and electric tool - Google Patents
A kind of speed-regulating switch and electric tool Download PDFInfo
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- CN209015952U CN209015952U CN201822084896.2U CN201822084896U CN209015952U CN 209015952 U CN209015952 U CN 209015952U CN 201822084896 U CN201822084896 U CN 201822084896U CN 209015952 U CN209015952 U CN 209015952U
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Abstract
The utility model relates to electric speed regulation field of switches, specifically disclosing a kind of speed-regulating switch and electric tool, the speed-regulating switch includes switch block, and switch block includes: the first connecting pin, which is provided with two stationary contacts；Two movable contact springs, are equipped with a movable contact thereon, and movable contact and stationary contact correspond and have the first position with stationary contact point contact, and the second position separated with stationary contact；Second connection end is rotatablely connected with movable contact spring；Tension spring is arranged in a one-to-one correspondence with movable contact spring, and tension spring, which is configured as making movable contact always, to be had to first position movement tendency；It is set on compression bar there are two protrusion, protrusion is corresponded with movable contact spring, and when not pressing moulded rod, two protrusions are abutted with two movable contact springs respectively；When by moulded rod, and two protrusions are successively separated with two movable contact springs.To two movable contacts successively with two stationary contact point contacts, after two movable contacts are all contacted with two stationary contacts, can share current, effectively prevent generating spark during closing the switch.
Description
Technical field
The utility model relates to electric speed regulation switching technique field more particularly to a kind of speed-regulating switch and electric tool.
Background technique
The general structure of existing speed-regulating switch be include the compression bar and one for speed regulation that shell, one end are protruded into shell
To terminal, which is used to connect in the motor of electric tool and extraneous power supply, this is connected to terminal by movable contact spring, pressure
Bar is located at the end in shell and is connected with spring between outer casing inner wall.The speed-regulating switch of above structure is in movable contact spring by corresponding end
After being connected between son, then compression bar is pushed, the resistance value in circuit is changed by compression bar, to realize external speed regulation.But it is right
During the motor of electric tool is adjusted the speed, as compression bar is pushed into shell, the electric current flowed through is gradually increased, and motor turns
Speed is gradually increased, and is struck sparks at the single contact of movable contact spring because the variation of electric current easily causes, and then strong influence speed regulation is opened
The service life of pass, and during being connected to motor, due to the effect of magnetic coil in motor operation course, have part alternating current
It flows back to and flow to speed-regulating switch, and then large effect is caused to the performance of speed-regulating switch.
Therefore, a kind of speed-regulating switch and electric tool are needed to solve the above problems.
Utility model content
The purpose of this utility model is that: a kind of speed-regulating switch and electric tool are provided, it is electronic in the prior art to solve
The speed-regulating switch of tool controls electric tool by a pair of terminal and opens, and when speed regulation easily causes and strikes sparks at movable contact spring contact,
And then the problem of affecting the speed-regulating switch service life.
On the one hand, the utility model provides a kind of speed-regulating switch, which includes compression bar and switch block, described to open
Closing component includes:
First connecting pin, is electrically connected to a power source, and first connecting pin is set there are two stationary contact；
Two movable contact springs are equipped with a movable contact, two movable contacts and two stationary contacts on each movable contact spring
Point is arranged in a one-to-one correspondence, and the movable contact has the first position with the stationary contact point contact, and separated with the stationary contact
The second position；
Second connection end is electrically connected with motor and is rotatablely connected with two movable contact springs；
Tension spring, two tension springs are arranged in a one-to-one correspondence with two movable contact springs, and the tension spring is configured as making described
Movable contact has the trend moved to first position always；
It is set on compression bar there are two protrusion, two protrusions are arranged in a one-to-one correspondence with two movable contact springs, do not press institute
When stating compression bar, two protrusions abut respectively with two movable contact springs and two stationary contacts are in the second position,
When pressing the compression bar, two protrusions are successively separated with two movable contact springs.
Preferably, the speed-regulating switch further includes shell, sliding wears compression bar on the shell, is clamped with the compression bar
And the first brush being located in the shell, and the circuit board being mounted in the shell, the circuit board are equipped with speed regulation
Circuit, first brush are slidably matched with the circuit board, and first brush cooperates with the alignment circuit and for controlling
The revolving speed of the motor of electric tool processed.
Preferably, being additionally provided with the control of motor positive and inverse signal on the circuit board；The speed-regulating switch further include:
Second brush is located in the shell and is slidably connected with the circuit board, second brush and the motor
Positive and negative rotaring signal control cooperation and the rotation direction for controlling the motor；
Pull-fork assembly is clamped with second brush, and for driving the relatively described circuit board sliding of second brush.
Preferably, the pull-fork assembly includes:
Shift fork, one end are located at outside the shell, and the other end is located in the shell, and the shift fork is matched with shell rotation
It closes；
Sliding block is located in the shell, and the sliding block and second brush are clamped, and the shift fork is equipped with waist-shaped hole,
The waist-shaped hole includes first end and second end, relatively described center of rotation of the second end far from the shift fork of the first end,
The sliding block is slidably disposed in the waist-shaped hole, and side of the sliding block far from second brush can be supported with the shell
It connects.
Preferably, the speed-regulating switch further includes conducting wire, one end of the conducting wire be located in the shell and with it is described
Circuit board connection, the other end pass through the shell and connect with the motor.
Preferably, the brush is V-shaped and the both ends of brush v-shaped structure opening and the circuit board are slided and supported
It connects.
Preferably, the speed-regulating switch further includes the first spring and guide bracket being respectively positioned in the shell, the guide bracket
Installation on the housing, first spring is set on the guide bracket, the both ends of first spring respectively with the pressure
Bar and the guide bracket abut, and first spring is in compressive state.
Preferably, one end of the tension spring is connect with the movable contact spring, the other end is connect with the second connection end, institute
It states tension spring and is in tensional state, the movable contact is located at one end of the movable contact spring, the middle position of the movable contact spring and described
The junction of second connection end rotation connection, the tension spring and the movable contact spring is located at the movable contact and the movable contact spring and institute
It states between the junction of second connection end.
Preferably, the switch block further includes the diode being electrically connected with the second connection end.
On the other hand, the utility model provides a kind of electric tool, including the speed-regulating switch in any of the above-described scheme.
The utility model has the following beneficial effects:
Two movable contact springs pass through movable contact respectively in the utility model and two stationary contacts of the first connecting pin connect, and first
In the connection circuit of connecting pin and second connection end access motor and power supply, by the movable contact spring that is connect with second connection end
The open and close of stationary contact point contact or disconnection control motor on movable contact and the first connecting pin；By the way that two are arranged on compression bar
A protrusion, and make two bulge clearance settings, so that two protrusions are successively separated with movable contact spring, thus two when pressing moulded rod
A movable contact successively with two stationary contact point contacts, when two movable contacts simultaneously with two stationary contact point contacts, can be with share current, can
To effectively prevent generating spark during closing the switch, and then influence switch electrical property.
Detailed description of the invention
Fig. 1 is the exploded view one of speed-regulating switch in the utility model embodiment；
Fig. 2 is the exploded view two of speed-regulating switch in the utility model embodiment；
Fig. 3 is the configuration diagram of speed-regulating switch in the utility model embodiment；
Fig. 4 is the part-structure diagram of speed-regulating switch in the utility model embodiment；
Fig. 5 is the configuration diagram of pull-fork assembly in speed-regulating switch in the utility model embodiment.
In figure:
1, shell；11, main casing；111, sealing plate；112, the first grab；113, the second card slot；12, sub-shell；121,
First card slot；122, the second grab.
2, circuit board；21, alignment circuit；22, motor positive and inverse signal controls；
3, compression bar；31, raised；
4, the first brush；
5, the second brush；
6, switch block；61, stationary contact；62, movable contact spring；621, movable contact；63, second connection end；64, tension spring；
7, pull-fork assembly；71, shift fork；711, waist-shaped hole；72, sliding block；
8, conducting wire；
9, the first spring；
10, guide bracket；
20, sealing ring.
Specific embodiment
It is clearly and completely described below in conjunction with technical solution of the attached drawing to the application, it is clear that described implementation
Example is some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describe the application and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ", only
For descriptive purposes, it is not understood to indicate or imply relative importance.Wherein, term " first position " and " second position "
For two different positions.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in application.
As shown in Fig. 1~5, the present embodiment provides a kind of speed-regulating switch, which includes shell 1, circuit board 2, pressure
Bar 3, the first brush 4, the second brush 5, switch block 6, pull-fork assembly 7 and conducting wire 8.It is equipped with cavity in shell 1, circuit board 2,
First brush 4 and the second brush 5 are respectively positioned in cavity, and circuit board 2 is equipped with alignment circuit 21 and motor positive and inverse signal control
System 22, the first brush 4 and the second brush 5 are slidably connected with circuit board 2, wherein the first brush 4 cooperate with alignment circuit 21 and
For adjusting the revolving speed of motor, rotation side of second brush 5 with 22 cooperation of motor positive and inverse signal control and for controlling motor
To.One end of compression bar 3 is located at outside shell 1, and the other end is located in cavity；Compression bar 3 is slidably connected with shell 1, compression bar 3 and first
Brush 4 is clamped, and when compression bar 3 slides, the sliding of 4 opposing circuit board 2 of the first brush is able to drive, so as to realize to electronic work
Has the control of motor output speeds.In the present embodiment, as 3 opposite shell 1 of compression bar is toward one Slideslip of cavity, motor is flowed through
Electric current increases, and the output revolving speed of motor is gradually increased.5 opposing circuit board 2 of the second brush can be driven sliding by pull-fork assembly 7
It is dynamic, realize the control to motor positive and inverse.One end of conducting wire 8 is located in cavity and connect with circuit board 2, and the other end passes through shell
It 1 and is connect with external loading.The structure of speed-regulating switch is simple in the present embodiment, is easily installed and safeguards.
Switch block 6 includes the first connecting pin (attached to be not shown in the figure), movable contact spring 62, second connection end 63 and tension spring 64,
Switch block 6 is accessed in the connection circuit of extraneous power supply and motor by the first connecting pin and second connection end 63, for controlling
The opening and closing of motor processed.Specifically, the first connecting pin is electrically connected to a power source, second connection end 63 is electrically connected with motor, the
It is set on one connecting pin there are two stationary contact 61, two movable contact springs 62 are arranged side by side, and two movable contact springs 62 pass through in-between position
It sets and is rotatablely connected with second connection end 63.A movable contact 621 is equipped on two equidirectional one end of movable contact spring 62, two dynamic
Contact 621 and two stationary contacts 61 are arranged in a one-to-one correspondence, 61 selective exposure of movable contact 621 and stationary contact, in the present embodiment, are moved
The first position and the second position isolated with stationary contact 61 that contact 621 has and stationary contact 61 contacts.Two 64 Hes of tension spring
Two movable contact springs 62 connect one to one, and tension spring 64 is configured as that movable contact 621 is made to have what is moved to first position to become always
Gesture.Specifically, one end of tension spring 64 is connect with second connection end 63, the other end is connect with movable contact spring 62, and tension spring 64 is in compression
State, and the junction of tension spring 64 and movable contact spring 62 is located at the connection of movable contact 621 and movable contact spring 62 and second connection end 63
Between.It being set on compression bar 3 there are two protrusion 31, two protrusions 31 are arranged along the glide direction interval of 3 opposite shell 1 of compression bar, and two
A raised 31 and two movable contact springs 62 be arranged in a one-to-one correspondence, when not pressing moulded rod 3, two protrusions 31 are and two movable contact springs 62
It abuts, movable contact 621 is located at the second position at this time, and when pressing moulded rod 3, two protrusions 31 and two movable contact springs 62 successively divide
From.After first protrusion 31 and movable contact spring 62 separate, under the action of tension spring 64, movable contact 621 corresponding with the protrusion 31
It is contacted with stationary contact 61, thus motor and power supply conducting, motor operating, with the Continued depression of compression bar 3, the revolving speed of motor is gradually
Increase, the electric current for flowing through the movable contact 621 is gradually increased；After second protrusion 31 and movable contact spring 62 separate, with the protrusion 31
Corresponding movable contact 621 and stationary contact 61 contact, and two movable contacts 621 and two stationary contacts 61 contact at this time, can share
By the electric current of first movable contact 621, the generation of spark can be effectively prevented.
Switch block 6 further includes diode, and diode is connect with second connection end 63, can effectively be prevented by the way that diode is arranged
Only alternating current flows back.
The speed-regulating switch further includes the first spring 9 and guide bracket 10, and the first spring 9 and guide bracket 10 are respectively positioned in cavity, guide bracket
10 are mounted on shell 1, and the first spring 9 is set on guide bracket 10, and the both ends of the first spring 9 are supported with compression bar 3 and guide bracket 10 respectively
It connects, the first spring 9 is in compressive state.When to pressing lever 3, compression bar 3 compresses the first spring 9 and drives the first brush 4 opposite
Circuit board 2 slides, and after unclamping compression bar 3, under the elastic-restoring force of the first spring 9, the first brush 4 is with 3 return of compression bar.
Pull-fork assembly 7 includes shift fork 71 and sliding block 72, and one end of shift fork 71 is located at outside shell 1, and the other end is located in cavity,
Position among shift fork 71 is rotatably assorted with shell 1；Sliding block 72 is located in cavity and is clamped with the second brush 5, and shift fork 71 passes through
Sliding block 72 drives the sliding of 5 opposing circuit board 2 of the second brush.Specifically, shift fork 71 is equipped with waist-shaped hole 711, waist-shaped hole 711 includes
First end and second end, center of rotation of the first end opposite second end far from shift fork 71, sliding block 72 are slidably disposed in waist-shaped hole 711
In, side of the sliding block 72 far from the second brush 5 can be abutted with shell 1.When to rotate shift fork 71, pass through the side wall of shell 1
And second brush 5 limit the movement in a first direction of sliding block 72, move sliding block 72 can only in a second direction, wherein the
One direction and second direction are vertical, and first direction is the direction that sliding block 72 compresses the second brush 5, and second direction is the second electricity
The glide direction of brush 5.Preferably, waist-shaped hole 711 is arc-shaped, and along the extending direction of waist-shaped hole 711, from first end to second
End, waist-shaped hole 711 is gradually distance from the center of rotation of shift fork 71, so that sliding block 72 is in the same direction by waist type when rotating shift fork 71
The first end in hole 711 moves to second end.In other examples, shift fork 71 be located at one end in cavity in cam structure and
The circumferential surface of cam is abutted with one end of sliding block 72, and pull-fork assembly 7 further includes second spring, and second spring is located in cavity, and its
Both ends are abutted with sliding block 72 and shell 1 respectively, and second spring is in compressive state, to pass through cam when shift fork 71 rotates
Structure and second spring cooperation, can be realized the floating of sliding block 72, and then drive the sliding of 5 opposing circuit board 2 of the second brush.
Shell 1 includes main casing 11 and sub-shell 12, and main casing 11 and sub-shell 12 are clamped, and cavity is located at 11 He of main casing
Between sub-shell 12, it is equipped between main casing 11 and sub-shell 12 and is connected to four through-holes, compression bar 3, shift fork 71, conducting wire with cavity
8 and second connection end 63 be arranged in four through-holes respectively, main casing 11 and sub-shell 12 fitting and by cavity remove and four
The position closing of through-hole connection.To which the shell 1 can effectively prevent fine particle to contribute in cavity.Preferably, cavity packet
Include the first groove being arranged on main casing 11 and the second groove being arranged on sub-shell 12, the notch of the first groove and
The notch of two grooves is opposite and is connected to, and one end that the first groove is located at one end of notch and the second groove is located at notch abuts, the
Be convexly equipped with multiple sealing plates 111 on the side wall of one groove, the thickness of sealing plate 111 less than the first recess sidewall thickness, and
The inner sidewall of the inner sidewall of sealing plate 111 and the first groove flushes, and sealing plate 111 is plugged in the second groove, sealing plate 111
Lateral wall is bonded with the inner sidewall of the second groove, and the end of sealing plate 111 is abutted with the bottom of the second groove, thus logical
The joint face that sealing plate 111, main casing 11 and sub-shell 12 form zigzag is crossed, further dust can be effectively prevent to enter
In cavity.It should be noted that the inner sidewall in the present embodiment refers in the first groove by taking the side wall of the first groove as an example
The side wall of side, lateral wall refers to the side wall of the side outside the first groove, and is disposed opposite to each other with inner sidewall.
Preferably, which further includes sealing ring 20, and sealing ring 20 is set on compression bar 3, and compression bar 3 is relatively close
Slidably, sealing ring 20 is mounted in the through-hole of corresponding compression bar 3 for seal 20, by sealing ring 20 by compression bar 3 and main casing 11 and
Sub-shell 12 seals, and can prevent gap of the dust between compression bar 2 and main casing 11 and sub-shell 12 from entering into cavity.
Preferably, at the abutting of the bottom of the end of sealing plate 111 and the second groove and the first groove is located at notch
At the abutting of one end that one end and the second groove are located at notch, it may be configured as that there is wider width, width increases, and can increase
Dust enters the path in cavity, and in contrast, dust is then not easily accessed in cavity.Specifically, the first groove is located at
One end that one end of notch and the second groove are located at notch abuts and the first groove is located at one end and the second groove position of notch
Width at the abutting of one end of notch is 1mm~3mm.Main casing 11 and sub-shell 12 are all made of plastic cement and are made, thus
Increasing for width can realize that simple process is easily achieved by increasing the thickness of local plastic cement.And it is located at slot in the first groove
Gasket can be set at the abutting of one end that one end and the second groove of mouth are located at notch, it, can such as foam cushion or rubber pad
Dust is further prevented to enter in cavity.
In order to further realize the sealing to cavity, the through-hole for installing shift fork 71 is L-shaped, which includes vertically disposed
First hole and the second hole, hollow cavity, the first hole and the second hole are sequentially communicated, and the second hole is connected to the external world, and shift fork 71
With shell 1 be pivotally connected shaft be located at the second hole, the part that shift fork 71 is connect with sliding block 72 is then located at the first hole, thus when make
Dust is not easy to enter in cavity from the through-hole.The same settable sealing ring in the through-hole of conducting wire 8, by the through-hole and
Gap sealing between conducting wire 8 prevents dust from directly entering in cavity through the gap between conducting wire 8 and shell 1.
In the present embodiment, main casing 11 is equipped with the first grab 112, corresponding on sub-shell 12 to be equipped with the first card slot 121,
First grab 112 and the first card slot 121 are multiple and correspond clamping engagement, are additionally provided with the second grab on sub-shell 12
122, it is corresponding on main casing 11 to be equipped with the second card slot 113, the second grab 122 and the clamping of the second card slot 113.It is set by above-mentioned
It sets, it is ensured that main casing 11 and sub-shell 12 are firm to link together.Brush is V-shaped and brush v-shaped structure opening two
End slides against with circuit board 2.Position is equipped with the protrusion 31 of fin among brush v-shaped structure, which can be with setting
Locating slot clamping on shift fork 71 or compression bar 3.
The present embodiment also provides a kind of electric tool, including the speed-regulating switch in above scheme.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of speed-regulating switch, which is characterized in that the speed-regulating switch includes compression bar (3) and switch block (6), the switching group
Part (6) includes:
First connecting pin, is electrically connected to a power source, and first connecting pin is set there are two stationary contact (61)；
Two movable contact springs (62) are equipped with a movable contact (621), two movable contacts (621) on each movable contact spring (62)
It is arranged in a one-to-one correspondence with two stationary contacts (61), the movable contact (621) has the contacted with the stationary contact (61)
One position, and the second position separated with the stationary contact (61)；
Second connection end (63) is electrically connected with motor and is rotatablely connected with two movable contact springs (62)；
Tension spring (64), two tension springs (64) are arranged in a one-to-one correspondence with two movable contact springs (62), tension spring (64) quilt
It is configured to make the movable contact (621) that there is the trend moved to first position always；
It is set on compression bar (3) there are two raised (31), two raised (31) are corresponded with two movable contact springs (62) to be set
It sets, when not pressing the compression bar (3), two raised (31) abut and described in two with two movable contact springs (62) respectively
Stationary contact (61) is in the second position, when pressing the compression bar (3), two raised (31) and two movable contact springs
(62) it successively separates.
2. speed-regulating switch according to claim 1, which is characterized in that the speed-regulating switch further includes shell (1), and sliding is worn
The compression bar (3) being located on shell (1), the first brush (4) for being clamped and being located in the shell (1) with the compression bar (3), and
The circuit board (2) being mounted in the shell (1), the circuit board (2) are equipped with alignment circuit (21), first brush
(4) it is slidably matched with the circuit board (2), first brush (4) and the alignment circuit (21) cooperate and for controlling electricity
The revolving speed of the motor of power driven tools.
3. speed-regulating switch according to claim 2, which is characterized in that be additionally provided with motor positive and inverse on the circuit board (2)
Signal controls (22)；The speed-regulating switch further include:
Second brush (5) is located in the shell (1) and is slidably connected with the circuit board (2), second brush (5) with
Motor positive and inverse signal control (22) cooperation and the rotation direction for controlling the motor；
Pull-fork assembly (7) is clamped with second brush (5), and for driving the relatively described circuit board of the second brush (5)
(2) it slides.
4. speed-regulating switch according to claim 3, which is characterized in that the pull-fork assembly (7) includes:
Shift fork (71), one end are located at the shell (1) outside, and the other end is located in the shell (1), the shift fork (71) with it is described
Shell (1) is rotatably assorted；
Sliding block (72) is located in the shell (1), and the sliding block (72) and second brush (5) are clamped, the shift fork (71)
It is equipped with waist-shaped hole (711), the waist-shaped hole (711) includes first end and second end, the relatively described second end of the first end
Center of rotation far from the shift fork (71), the sliding block (72) are slidably disposed in the waist-shaped hole (711), the sliding block (72)
Side far from second brush (5) can be abutted with the shell (1).
5. speed-regulating switch according to claim 3 or 4, which is characterized in that the speed-regulating switch further includes conducting wire (8), institute
The one end for stating conducting wire (8) is located in the shell (1) and connect with the circuit board (2), the other end across the shell (1) and
It is connect with the motor.
6. speed-regulating switch according to claim 3 or 4, which is characterized in that the brush is V-shaped and the brush V-arrangement knot
The both ends of structure opening slide against with the circuit board (2).
7. according to the described in any item speed-regulating switch of claim 2-4, which is characterized in that the speed-regulating switch further includes being respectively positioned on
The first spring (9) and guide bracket (10) in the shell (1), the guide bracket (10) are mounted on the shell (1), and described first
Spring (9) is set on the guide bracket (10), the both ends of first spring (9) respectively with the compression bar (3) and the guide bracket
(10) it abuts, first spring (9) is in compressive state.
8. speed-regulating switch according to claim 1, which is characterized in that one end of the tension spring (64) and the movable contact spring
(62) it connects, the other end is connect with the second connection end (63), and the tension spring (64) is in tensional state, the movable contact
(621) it is located at the one end of the movable contact spring (62), the middle position of the movable contact spring (62) and the second connection end (63) turn
Dynamic connection, the tension spring (64) and the junction of the movable contact spring (62) are located at the movable contact (621) and the movable contact spring
(62) between the junction of the second connection end (63).
9. speed-regulating switch according to claim 1, which is characterized in that the switch block (6) further includes and described second
The diode of connecting pin (63) electrical connection.
10. a kind of electric tool, which is characterized in that including the described in any item speed-regulating switch of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822084896.2U CN209015952U (en) | 2018-12-12 | 2018-12-12 | A kind of speed-regulating switch and electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822084896.2U CN209015952U (en) | 2018-12-12 | 2018-12-12 | A kind of speed-regulating switch and electric tool |
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| CN209015952U true CN209015952U (en) | 2019-06-21 |
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| CN201822084896.2U Active CN209015952U (en) | 2018-12-12 | 2018-12-12 | A kind of speed-regulating switch and electric tool |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556258A (en) * | 2019-10-11 | 2019-12-10 | 浙江长隆电气有限公司 | DC speed regulating switch |
| TWI726751B (en) * | 2020-06-24 | 2021-05-01 | 百容電子股份有限公司 | Trigger switch |
| TWI737365B (en) * | 2020-06-24 | 2021-08-21 | 百容電子股份有限公司 | Trigger switch |
| CN113561137A (en) * | 2021-05-28 | 2021-10-29 | 莱克电气绿能科技(苏州)有限公司 | Tool machine switch linkage device and tool machine |
| CN117755748A (en) * | 2024-02-01 | 2024-03-26 | 江苏威尔赛科技有限公司 | Accurate rail ware turns over in location in commodity circulation track |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556258A (en) * | 2019-10-11 | 2019-12-10 | 浙江长隆电气有限公司 | DC speed regulating switch |
| TWI726751B (en) * | 2020-06-24 | 2021-05-01 | 百容電子股份有限公司 | Trigger switch |
| TWI737365B (en) * | 2020-06-24 | 2021-08-21 | 百容電子股份有限公司 | Trigger switch |
| CN113838699A (en) * | 2020-06-24 | 2021-12-24 | 百容电子股份有限公司 | Trigger switch |
| CN113838723A (en) * | 2020-06-24 | 2021-12-24 | 百容电子股份有限公司 | Trigger switch |
| CN113838699B (en) * | 2020-06-24 | 2024-05-28 | 百容电子股份有限公司 | Trigger switch |
| CN113838723B (en) * | 2020-06-24 | 2024-05-28 | 百容电子股份有限公司 | Trigger switch |
| CN113561137A (en) * | 2021-05-28 | 2021-10-29 | 莱克电气绿能科技(苏州)有限公司 | Tool machine switch linkage device and tool machine |
| CN117755748A (en) * | 2024-02-01 | 2024-03-26 | 江苏威尔赛科技有限公司 | Accurate rail ware turns over in location in commodity circulation track |
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